Influence of Ionizing Radiations (Electrons and Gamma) on the Electrical Characteristics of LGS Resonators

In this paper results concerning the changes of the electric characteristics of langasite resonators irradiated with electron and gamma rays are reported. For both electron and gamma irradiations the quality factor increases significantly, presumably due to the re-distribution of the point defects....

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Bibliographic Details
Published in:Ferroelectrics 2009-01, Vol.389 (1), p.25-31
Main Authors: Mateescu, Irina, Georgescu, Serban, Iliescu, Brandusa, Enculescu, Ionut, Georgescu, Rodica, Oproiu, Constantin, Ghita, Georgiana
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Crystals
Defects
Electric properties
electron and gamma irradiation
Exact sciences and technology
Ferroelectric materials
Ferroelectrics
Gamma irradiation
Gamma rays
Ionizing radiation
Ions
Langasite
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optics
Other nonmetals
Physics
Point defects
Quality factor
Resonators
Ultraviolet radiation
Visible and ultraviolet spectra
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Summary:In this paper results concerning the changes of the electric characteristics of langasite resonators irradiated with electron and gamma rays are reported. For both electron and gamma irradiations the quality factor increases significantly, presumably due to the re-distribution of the point defects. Preliminary optical investigations in UV-VIS domain confirm the modification of defect structure.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150190902987517